Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Longitudinally progressive helical winding means
Patent
1976-05-17
1978-11-14
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Longitudinally progressive helical winding means
156175, 156432, B65H 8100
Patent
active
041254236
ABSTRACT:
Reinforced plastic tapered tubular rod products and the method and apparatus for producing the same. Tapered steel mandrels of desired length and cross-sectional shape are connected in endwise alignment to form a continuously moving mandrel structure. The mandrels each have an enlarged head and a tapered nose at the opposite end thereof so that the nose extends into a recess formed in the enlarged head of the next proceeding mandrel. These mandrels are fed through a multiplicity of winding wheels in which filament containing strands issued from spools on the wheels are helically wound upon the mandrels. The winding wheels are individually programmable so that the geometry of the reinforcement can be varied ply by ply to obtain the desired longitudinal thickness and the desired torsional stiffness in the end product. The mandrels are held in their endwise connected alignment and retained between the winding wheels by an upper feeding mechanism in the form of an upper conveyor and a lower conveyor located respectively above and below the winding wheels. The lower sets of winding wheels are provided with shrink tapes which are wound about the outer surface of the reinforcement fibers applied to the reinforcement bands wound on the mandrels. The mandrels are thereafter separated from each other and in such manner that the reinforced plastic products which are resin impregnated and finally cured can be removed from the mandrels and thereupon used in the final end products.
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Goldsworthy Engineering, Inc.
Simmons David A.
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